ftp.ntua.gr:/debian/dists/stretch-backports/contrib/binary-armhf/by-hash/SHA256/?C=M&O=A 
Icon  Name                                                             Last modified      Size  
[DIR] Parent Directory                                                                      -   
[   ] 839373af6480c6df0b9dd6acb63616d08493c95e061a7355707650d8caf494b4 18-Jun-2017 11:28  180   
[   ] 3d268f0339be264f633198f3e13d4f83fc28dafd439e49fb0a511f4c2c1f8c5e 11-Sep-2020 16:57  9.7K  
[   ] a1082ab149b6beb8ac9918748f618213c7c53f749b00e8243b56c2156401b72c 11-Sep-2020 16:57  8.8K
Apache/2.2 Server at debian.noc.ntua.gr Port 80